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Finding the Fourth Proportional to 763.24, 1,052.42 and 596.92

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Solution

The fourth proportional to 763.24, 1,052.42 and 596.92 is: 823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    763.24 : 1,052.42 = 596.92 : x
  2. Step 2: Convert to fraction form
    763.24/1,052.42 = 596.92/x
  3. Step 3: Cross multiply
    763.24x = 1,052.42 × 596.92
  4. Step 4: Simplify right side
    763.24x = 628,210.55
  5. Step 5: Solve for x
    x = 628,210.55/763.24
  6. Step 6: Final answer
    x = 823.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.